PT - JOURNAL ARTICLE ED - , TI - Placement DP - 1977 Dec 01 TA - Journal of Nuclear Medicine Technology PG - 22A--22A VI - 5 IP - 4 4099 - http://tech.snmjournals.org/content/5/4/22A.short 4100 - http://tech.snmjournals.org/content/5/4/22A.full SO - J. Nucl. Med. Technol.1977 Dec 01; 5